Which of these is returned to the atmosphere when plants transpire?
O oxygen
O carbon
w...
Answers: 3
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Choose the molecule that is described by each phrase. energy used during long activities:
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An easy way to calculate the amount of energy available at each level is to what?
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Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.
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Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow
Answers: 1
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